Employees evacuate as a firestorm approaches the Old Faithful complex during the 1988 Yellowstone fires. The fire is "crowning", racing along the tree tops and spreading rapidly. Image taken by Jeff Henry, September 7, 1988 and retrieved from the following page [1] of the Yellowstone Digital Slide Files archives which are all in the public domain [2]

This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.